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03-14-2019, 02:35 PM
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#1
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Junior Member
Join Date: Feb 2019
Location: Vancouver
Posts: 27
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WD Hitch Air Bag setup
Good day. We bought a new rig and with that we bought a new WD hitch and had the dealer set it up. Once that was done he told me in needed airbags because my truck was sagging low in the rear, which it was. So I had some awesome Firestone airbags installed and they are sweet.
My question is how do I get the airbag pressure right without adding weight to the rear axle by using incorrect pressures as I have been warned by someone with no answers just an armchair expert.
My thought is I will measure the fender heights from and back, then connect the trailer and WD hitch, th n use the air bags to raise truck till the OG fender heights are again matched.
Is this the right way to resolve this?
I would appreciate any input, anyone could share, thank you.
2019 Bullet 265rbwe
2011 F150 4wd 5.0 l
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03-14-2019, 02:55 PM
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#2
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Senior Member
Join Date: Jan 2014
Location: Winnipeg, Canada
Posts: 1,196
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Without any air in the air bags, adjust your WD system per the manufacture’s instructions. Then air up the bags to level.
Note that the air bags have no meaningful effect on transferring weight back to the front wheels of the TV. The weight transfer has to come from the WD. If unable to transfer the weight to what is recommended means you were sold bars with too little capacity.
__________________
2018 Jayco Eagle HT 265BHS (previous: 2015 23RB Passport Elite, ProPride)
2015 F250 XLT SB Crew, 6.2l gas
PullRite 16K SuperGlide w/SuperRail
Reese 5th Airborne (bagged) Pin Box
RoadMaster Shock Kit
X-Factor Cross Bracing
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03-14-2019, 03:37 PM
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#3
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Junior Member
Join Date: Feb 2019
Location: Vancouver
Posts: 27
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Copy that.
Thank you.
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03-23-2019, 08:56 PM
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#4
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Junior Member
Join Date: Jul 2018
Location: NE Wisconsin
Posts: 29
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Maxpowers,
On an unrelated side note here, it appears that you and I have similar tow vehicles as well as electric tongue jacks. I found that I was able to lower my tailgate completely if I rotated the motor housing of the tongue jack 90 degrees to the side. This may work for you too if you have clearance issues.
packrat
__________________
TT: 2017 2520RL, Twin Trojan T105s, BM-1 Compact, Xantrex SW1000, Curt Roundbar WDH
TV: Mostly stock 2016 Bluejeans F-150 XLT FX4 SCrew 5.0, 6.5' bed...
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03-24-2019, 01:58 PM
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#5
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Junior Member
Join Date: Feb 2019
Location: Vancouver
Posts: 27
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Packrat
I did not know that. Did you unbolt the 3 main bolts at the frame and turn?
That is great I am already irritated by not being able to open tailgate when connected.
Thanks man.
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03-24-2019, 02:00 PM
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#6
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Junior Member
Join Date: Feb 2019
Location: Vancouver
Posts: 27
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Just got back from first camping trip of the year and it was awesome.
Sitting outside last 2 nights having some bevi’s was awesome.
Camping rocks.
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03-26-2019, 03:35 AM
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#7
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Junior Member
Join Date: Jul 2018
Location: NE Wisconsin
Posts: 29
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Quote:
Originally Posted by Maxpowers
Packrat
I did not know that. Did you unbolt the 3 main bolts at the frame and turn?
That is great I am already irritated by not being able to open tailgate when connected.
Thanks man.
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Maxpowers,
I found that I could loosen the set screws binding the tongue jack’s motor/control housing to the jack’s shaft. Then the housing would rotate to either side. I did not have to undo the bolts fastening the jack to the tongue. I guess you’ll have to check clearances on your set up, because you may have different brands of equipment/hardware.. I can post some pictures of what I did, but it will have to wait until I can retrieve my Passport in the next week or so. Still dealing with melting snow and mud here...
packrat
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03-26-2019, 05:24 PM
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#8
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Junior Member
Join Date: Feb 2019
Location: King George
Posts: 3
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Readjust the hitch after airbag inflation.
I have a Fastway E2 WD hitch. I had a little sag after adjusting my hitch. I added airbags and reached out to Fastway. They stated that after finding the PSI I wanted to tow with, that I needed to readjust the hitch with that PSI in the bags then use that same PSI every time I tow. The reason being is that when you inflate the bags on a hitch that has been adjusted with empty air bags and you raise the rear with air pressure, you are taking away some of the weight distributing functions of the hitch. I ended up buying a WirelessONE onboard compressor to make life easy. Took about three hours to install myself. If you have any questions, reach out to your hitch manufacturer. They should be able to guide you through this.
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